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@article{IVM_1967_8_a12, author = {G. O. Yaroshevich}, title = {Critical cases in stability of motion problems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {106--110}, publisher = {mathdoc}, number = {8}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1967_8_a12/} }
G. O. Yaroshevich. Critical cases in stability of motion problems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1967), pp. 106-110. http://geodesic.mathdoc.fr/item/IVM_1967_8_a12/